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Finding the Fourth Proportional to 53,674.80, 80,480.20 and 32,913.20

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Solution

The fourth proportional to 53,674.80, 80,480.20 and 32,913.20 is: 49,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,674.80 : 80,480.20 = 32,913.20 : x
  2. Step 2: Convert to fraction form
    53,674.80/80,480.20 = 32,913.20/x
  3. Step 3: Cross multiply
    53,674.80x = 80,480.20 × 32,913.20
  4. Step 4: Simplify right side
    53,674.80x = 2,648,860,918.64
  5. Step 5: Solve for x
    x = 2,648,860,918.64/53,674.80
  6. Step 6: Final answer
    x = 49,350.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.